Toronto address · Ward 5, York South-Weston
363 Silverthorn Ave
The City of Toronto has 1 building permit since 2017 on record for this address.
Building permits
Every permit the City lists for this address since 2017, and any still open from before, newest first.
- Closed (dormant)
Small residential project · Multiple projects
To construct two storey rear addition and deck to existing single family detached dwelling.
Applied Jun 18, 2009 · issued Sep 8, 2009 · completed Jun 8, 2026 · Permit 09 151640 BLD
Committee of Adjustment
No applications to the City's Committee of Adjustment for this address since 2017. That's where an owner asks for a minor variance (a small exception to the zoning by-law) or a consent to divide a lot.
What’s planned nearby
Development sites within 500 m
No rezoning, site plan, subdivision or condominium file open within 500 m, and no pre-construction project on the site.
Neighbours’ Committee of Adjustment files within 250 m
308 Silverthorn Ave · Minor variance
To construct a new one-storey ancillary building (shed), in the rear yard of the property. The existing rear one-storey ancillary building (shed), with an interlock pad, will be demolished/removed.
180 m away · filed Jun 9, 2026 · Approved
343 Blackthorn Ave · Minor variance
To construct a new fourplex and a new as of right garden suite in the rear.
100 m away · filed May 8, 2026 · Approved
451 Rogers Rd · Minor variance
To construct a new four-storey semi-detached mixed-use building (with a mezzanine level above the ground floor and cantilevered portions of the second, third and fourth storeys at the front and west sides of the building) with a covered front entrance, a rooftop staircase access enclosure (for maintenance), rear balconies on the second, third and fourth storeys with a rear exterior access staircase, and a rear basement walkout. Long-term bicycle parking spaces will be provided within the dwelling units. There will be a total of four residential dwelling units, and one commercial unit within t…
210 m away · filed Feb 18, 2026 · Approved
449 Rogers Rd · Minor variance
To construct a new four-storey semi-detached mixed-use building (with a mezzanine level above the ground floor and cantilevered portions of the second, third and fourth storeys at the front and east sides of the building) with a covered front entrance, a rooftop staircase access enclosure (for maintenance), rear balconies on the second, third and fourth storeys with a rear exterior access staircase, and a rear basement walkout. Long-term bicycle parking spaces will be provided within the dwelling units. There will be a total of four residential dwelling units, and one commercial unit within t…
200 m away · filed Feb 18, 2026 · Approved
81 Aileen Ave · Minor variance
To construct a new fourplex.
210 m away · filed Jan 29, 2026 · Approved
405 Silverthorn Ave · Minor variance
To construct a new two-storey garden suite in the rear yard that will include an attached garage. The existing detached garage and shed will be demolished.
200 m away · filed Oct 17, 2025 · Approved
402 Blackthorn Ave · Minor variance
To enclose the existing rear porch.
220 m away · filed Mar 18, 2025 · Approved
320 Silverthorn Ave · Minor variance
To alter the existing two-storey detached dwelling (within the Commercial/Residential (CR) zone) by constructing a rear two-storey addition with ground and second storey rear balconies, and a side (south) parking pad. Also, to alter the existing storage shed located in the rear yard.
130 m away · filed May 12, 2023 · Approved
From the City of Toronto’s open data: building permits (active, and cleared since 2017), Committee of Adjustment applications and address points, this record updated Sep 29, 2026, and the development sites from its Development Applications data. Contains information licensed under the Open Government Licence – Toronto. Construction cost estimates and contractors’ names are left out on purpose, and nothing here names an owner.